06540800 – Nylon Lock Nut, 3/4-10 (YWZC)
(Genuine OEM Ariens / Gravely Part)
The 06540800 nylon lock nut is a genuine OEM Ariens / Gravely fastener designed to provide secure, vibration-resistant fastening in mower decks, drive systems, and accessory mounting assemblies. Featuring a 3/4-10 thread and an integrated nylon locking insert, this nut prevents loosening under heavy vibration and continuous operation.
The yellow zinc coating (YWZC) provides corrosion resistance, making this nut suitable for outdoor, commercial, and residential mowing environments.
Key Details
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Manufacturer Part Number: 06540800
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Part Name: Nylon Lock Nut
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Brand: Ariens / Gravely
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Thread Size: 3/4-10
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Locking Type: Nylon insert
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Finish: Yellow Zinc Coated (YWZC)
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Function: Prevents fastener loosening due to vibration
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Installation: Direct OEM replacement
Compatibility / Where Used
The Ariens / Gravely 06540800 lock nut is used across a wide range of equipment in mower drive systems, deck mounting assemblies, bagger systems, and deck lift components.
Common applications include:
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2-Wheel Tractor Mower Drives
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40" and 50" mower drive assemblies
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Commercial & Fabricated Decks
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36", 60", and 72" side-discharge and rear-discharge mower decks
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Mower frame and deck mounting hardware
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Bagger & Grass Collection Systems
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Rapid XZ PECO bagger assemblies
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PECO hopper grass container systems
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Pro-Stance Series
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Pro-Stance 36
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Pro-Stance 36 CARB
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Deck lift left arm and left-hand lift assemblies
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This nut is used throughout multiple serial number ranges and supports both Ariens and Gravely commercial platforms, including deck lift, mower mounting, and accessory hardware systems.
Why Use Genuine OEM 06540800
Using the OEM 06540800 nylon lock nut ensures:
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Correct thread engagement and clamping force
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Resistance to loosening from vibration
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Improved safety and hardware retention
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Long-term corrosion resistance
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Proper fitment across Ariens & Gravely equipment
For reliable fastening and factory-correct performance, the 06540800 is the recommended replacement nut for Ariens and Gravely mower decks, drives, and accessory assemblies.
